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Header Flange Thickness (in.)
- 3/8 in. (5) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 5/16 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Header Flange Port Size (in.)
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- 1.125 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 1.875 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 2.250 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
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- No (3)
- Yes (3)
Mounting Hardware Included
- No (3)
- Yes (3)
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Header Flanges

Showing In Stock Items. Show All 9 Items.

Individual Parts

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Results 1 - 6 of 6

Stainless Works Header Flanges HFBBF1225

Stainless Works Header Flanges HFBBF1225

Stainless Works Header Flanges HFBBF1225

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Big Block, Fits 2.25 in. Primaries, Pair

Part Number: STW-HFBBF1225

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Patriot Header Flange Kits H7861

Patriot Header Flange Kits H7861

Patriot Header Flange Kits H7861

Header Flanges, Header Flange Kits, Stock Bolt Pattern, Stainless Steel, 0.313 in. Thick, 1.125 in. Port Size, Chevy, Small Block, Pair

Part Number: PTE-H7861

Not Yet Reviewed

Estimated Ship Date: Nov 27, 2026 if ordered today

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Estimated Ship Date: Nov 27, 2026 if ordered today

Patriot Header Flange Kits H7844

Patriot Header Flange Kits H7844

Patriot Header Flange Kits H7844

Header Flanges, Header Flange Kits, Stock Bolt Pattern, Steel, 0.375 in. Thick, 1.750 in. Port Size, Ford, 351, 400M, 2BBL Heads, Pair

Part Number: PTE-H7844

Not Yet Reviewed

Estimated Ship Date: Nov 27, 2026 if ordered today

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Estimated Ship Date: Nov 27, 2026 if ordered today

Patriot Header Flange Kits H7849

Patriot Header Flange Kits H7849

Patriot Header Flange Kits H7849

Header Flanges, Header Flange Kits, Stock Bolt Pattern, Steel, 0.375 in. Thick, 1.750 in. Port Size, Ford, Big Block, Pair

Part Number: PTE-H7849

Not Yet Reviewed

Estimated Ship Date: Nov 27, 2026 if ordered today

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Estimated Ship Date: Nov 27, 2026 if ordered today

Stainless Works Header Flanges HF54S

Made in the USA

Stainless Works Header Flanges HF54S

Stainless Works Header Flanges HF54S

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford, 5.4L/5.8L, 3V, Fits 1.875 in. Primaries, Pair

Part Number: STW-HF54S

Not Yet Reviewed

Estimated Ship Date: Jan 4, 2027 if ordered today

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Estimated Ship Date: Jan 4, 2027 if ordered today

Stainless Works Header Flanges HF4.6

Stainless Works Header Flanges HF4.6

Stainless Works Header Flanges HF4.6

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford, 4.6L, 4V Cobra, Fits 1.75 in. Primaries, Pair

Part Number: STW-HF4-6

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2027 if ordered today

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Estimated Ship Date: Jan 6, 2027 if ordered today

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